1848 Australia, is a semi-historical railroad game from the 18xx set, and to which the designers credit some of this games' systems to the originator of the series - Francis Tresham.
1848 features an interesting array of differences described above. These include how private companies are purchased, the inclusion of The Bank Of England as a public company that extends loans and administers railroads that are in receivership, dealing with different track gauges between states and 'The Ghan' special train.